Home / 31,827-43,921.26-19,261.56

Finding the Fourth Proportional to 31,827, 43,921.26 and 19,261.56

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Solution

The fourth proportional to 31,827, 43,921.26 and 19,261.56 is: 26,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827 : 43,921.26 = 19,261.56 : x
  2. Step 2: Convert to fraction form
    31,827/43,921.26 = 19,261.56/x
  3. Step 3: Cross multiply
    31,827x = 43,921.26 × 19,261.56
  4. Step 4: Simplify right side
    31,827x = 845,991,984.77
  5. Step 5: Solve for x
    x = 845,991,984.77/31,827
  6. Step 6: Final answer
    x = 26,580.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.